//
//  AppDelegate.m
//  LHTourApp
//
//  Created by 千锋 on 15/12/9.
//  Copyright (c) 2015年 QianFeng. All rights reserved.
//

#import "AppDelegate.h"
#import "PilotViewController.h"
#import "RootViewController.h"
@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
    self.window.backgroundColor = [UIColor whiteColor];
    // 实现数据保存需要通过NSYUserDefaulets
    // NSUserdefaults 可以实现本地数据持久化，将数据存储到磁盘上，少量数据
    // 获取单列对象
    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
    // 先获取NSUserDefaults对象中是否存在某个值，作用和字典类似
    BOOL isFirstLaunch = [[userDefaults objectForKey:@"ISFirstLaunch"] boolValue];
    // 判断是否为第一次
    if (isFirstLaunch == NO) {
        //不是第一次就加载 只有第一次启动时，才加载GuideViewController
        // 设置UIWindow 的根视图控制器
        self.window.rootViewController = [[PilotViewController alloc]init];
        [userDefaults setObject:[NSNumber numberWithBool:YES] forKey:@"ISFirstLaunch"];
    }else{
        // 是第一次
        self.window.rootViewController = [[RootViewController alloc]init];
    }

    [self.window makeKeyWindow];
    
    
    return YES;
}

- (void)applicationWillResignActive:(UIApplication *)application {
    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}

- (void)applicationDidEnterBackground:(UIApplication *)application {
    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}

- (void)applicationWillEnterForeground:(UIApplication *)application {
    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}

- (void)applicationDidBecomeActive:(UIApplication *)application {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}

- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}

@end
